Size breakdown
7 5/8 hat size in cm and inches
A US 7 5/8 fitted hat is cut for a head that measures 23 7/8 inches around — 60.6 cm.
US fitted
7 5/8
circumference 23 7/8 in ÷ π
Head circumference
60.6 cm
= 23 7/8
UK size
7 1/2
= US minus 1/8
EU size
61
= cm rounded
Letter size: about XL. XL.A head measured up to 0.3 cm from 60.6 cm matches this size; between sizes, take the next size up for a non-adjustable hat.Letter sizes vary by brand; check the brand's own chart.
Where 7 5/8 sits on the hat sizes chart
This size and its neighbours, so you can compare at a glance:
| US | UK | Head (cm) | Head (inches) | EU | Letter |
|---|---|---|---|---|---|
| 7 1/2 hat size | 7 3/8 | 59.6 | 23 1/2 | 60 | XL |
| 7 5/8 hat size | 7 1/2 | 60.6 | 23 7/8 | 61 | XL |
| 7 3/4 hat size | 7 5/8 | 61.5 | 24 1/4 | 62 | XXL |
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